Device for carrying out fire fighting and rescuing operations in skyscrapers
FIELD: fire fighting equipment.
SUBSTANCE: invention is used in fire fighting and rescuing operation for lifting firemen and fire fighting facilities and evacuation of humans from building and structures in emergency. Proposed device contains vehicle with outriggers, lifting-and-slewing device mounted on vehicle frame, set of telescopic sections installed on lifting-and-slewing device and mechanism for telescoping the sections. Working stage is mounted on front end face of end section, and cap is installed on guides of telescopic sections. Device is furnished also with cab lifting mechanism made in form of wire rope reeved sheaves installed on cab skeleton and on front end face of end section. One end of wire rope is secured on drum of cab lifting mechanism, and the other, on balancing drum which is connected with drum of section telescopic mechanism through gear train. Bottom of cab is furnished with opening hatch for securing emergency evacuation sleeve.
EFFECT: improved safety at fire fighting and rescuing.
The device is designed to conduct pararosaniline works on high-rise buildings and can be used for delivery of fire, extinguishing means to a considerable height, as well as evacuation of people from buildings and structures during emergency or disaster situations.
A device for carrying out works at a considerable height, containing vehicle on a rotary platform which has a lever hoist in the form of two articulated levers on the end of which is mounted a working platform .
Closest to the technical essence and the achieved result is a car fire escape, containing vehicle with outriggers, tilt-up device mounted on it, a set of telescopic sections in the form of a ladder mechanism of teleskopowe installed on the lifting-rotating device .
The main disadvantage of the known device is limited possibility of its use in the production of rescue operations at high altitudes, low level of security as the ability to move people on this design involves physical and emotional capabilities of the person and does not meet safety requirements. As a result, during an emergency e is acacia from a great height physically weak, wounded people known device. They can be used only by trained, specially trained people and with a high degree of risk.
The purpose of the invention is to increase safety and reduce time to production pararosaniline works and evacuation of people in emergency situations of high-rise buildings and structures.
This goal is achieved by the fact that the mechanism of the cabin lift is made in the form of a rope, zapakowanego through blocks mounted on the frame of the cab and the front end face of the end sections, one end of the rope attached to the drum mechanism of the cabin lift and the second is to balance the drum through a gear connected to the drum mechanism teleskopowe section and the bottom of the cab is equipped with an opening hatch for mounting the cover for the tow truck.
1 shows a General view of the device in the transport position; figure 2 - section of the device in operating position; figure 3 is a cross section of set partitions with cabin; figure 4 is a kinematic diagram of the device, side view; figure 5 is a kinematic diagram of the device, top view; figure 6 is a General view of the cabin; figure 7 is a view of the cabin of the transportation rescuers; Fig - during transportation of the injured.
The device for doing pararosaniline works on high-rise buildings sod is REIT vehicle 1 with outriggers 2, where on a wheel installed tilt-up device 3 in the form of a frame with brackets 4, the drive of the rotation mechanism 5 and the RAM 6. To tilt-up device 3 by hinges 7 is attached a set of telescopic sections 8, consisting of radical 9, intermediate 10, the terminal 11 sections, each of which represents a pipe of rectangular cross-section comprising one another. In the upper and lower walls of the pipes in the middle is made of U-shaped tabs-guides 12, which center the sections together, leaving a gap between them along the side walls, the mounting blocks and the passage of the ropes. Root 9 section attached by a hinge 7 to the tilt-up device 3 and has at the free end in the side walls of the slot 13 for access to the interior. On the butt end 11 of the fixed section, the working space 14 with the ring fence. End 11 and the radical 9 sections interconnected by segments of the rope 15, which bypasses the blocks 16 mounted on the side wall of the intermediate 10 sections. The mechanism teleskopowe 17 sections includes an actuator and a stepped drum 18, ropes 19 extension, one end of which is fixed to the intermediate 10 sections, and the second rounding unit 20, fixed on the root 9 of the section, is attached to the drum 18 on the section with the smaller diameter, the rope 21 folding sections, one end of which connection is replaced with the terminal 11 section and the second is attached to the drum 18 on the plot with a large diameter and is wound opposite to the winding of the rope 19 sections. The difference between the diameters of the shells of the drum 18 depends only on the number of telescoping sections. In the proposed scheme when moving the end of the rope 19 extension at one meter end of the rope 21 folding will move to three meters, therefore, the circumference of the shell of the drum 18 on which is wound a rope 21 folding should be 3 times greater than the length of the circumference of the shell on which is wound a rope 19 sections. Inside the telescopic tubes placed cabin 22, the cross-sectional sizes of which are determined by the internal dimensions of the end sections. The cab is a closed support frame 23 of U-shaped guides 12, the side walls of the cab are mounted door 24, and in semi - opening hatch 25. On the bottom surface of the cab folding stage 26 and the folding seat 27 on the top - hinged partition 29. To the frame of the cab mounted track rollers 30. The lifting mechanism 31 of the cab includes an actuator and a two-stage drum 32, a hoisting cable 33, which zapasowa through blocks 34 mounted on the frame of the cab, and the blocks 35 on the end of the head section, one end of a hoisting rope 33 is fixed on the surge drum 36, which through the transmission gear 37 is outinen drum 18 mechanism teleskopowe 17, and the second end of the hoisting rope 33 is attached to the drum 32 on the plot with a large diameter, the rope 38 lowering the cab, one end of which is fastened to the cab 22 and the second through the deflecting unit 39 mounted on the lower end of the root section 9, is attached to the drum 32 on the section with a smaller diameter and is wound opposite to the winding of a winding rope 33. The difference between the diameters of the shells of the drum 32 depends only on the ratio of the multiplicities of Spasovka ropes 33 and 38. In the proposed scheme Spasovka ropes, this ratio is equal to two, therefore, the circumference of the shell of the drum 32, which is wound hoisting cable 33, must be twice the circumference of the shell on which is wound a rope 38 lowering the cab.
The device is equipped with all necessary equipment for conducting pararosaniline works, which is placed on the working platform 14, and communication (fire hoses, hoses, cable) are placed in telescopic tubes 40, which are fixed on the upper outer surface of the telescoping sections, providing communications equipment on the working platform with the sources of his power on earth. To protect the device from exposure to fire and high temperatures the set of telescopic sections 8 placed in protective corrugated casing 41 made in the form of a sleeve from Agnetha itoi fabric, reinforced circular arcs, which are based on the telescopic tube 40, with one end of the bellows 41 is fixed on the terminal 11, and the second is at the root 9 of the section.
For mass evacuations of people, the unit is equipped with a cover-tow 42, one end of which is attached to the hatch 25 cab 22, and the second goes to the safety device 43, secured to the lower end surface of the root section 9.
To conduct pararosaniline work vehicle 1 delivers the device to the desired point. Set the outriggers 2, providing a stable operating position. The lift cylinder 6 establishes a set of telescopic sections 8 at the desired angle. Included turning mechanism 5 that rotates the lifting-rotating device 3 together with a set of telescopic sections 8 in the desired direction, and then starts the drive mechanism 17, teleskopowe. The drum 18 rotates clockwise, pulls the ropes 19 sections, through which the blocks 20 to move the intermediate section 10 upwards. With her move blocks 16, which through the ropes 15, connecting the root 9 of the section with the end 11 of the section, move it to the limit 11 section along with fixed on her working space 14 in the intended point. Rope folding 21 does not preclude the nomination of sections, as delivered with bolsig the diameter of the segment of the drum 18. Together with the rotation of the drum 18 of the mechanism of teleskopowe 17 through the transmission gear 37 rotates in the opposite direction of the balancing drum 36, which unravels the rope 33 of the lifting mechanism of the cab 22, leaving her motionless, at the end of the root 9 of the sections. When telescoperule sections together with them and move pipe sections 40, together with communications, placed in them. Protective corrugated casing 41, moving together with the pipes 40, stretched, providing protection against fire and high temperatures. The unit is ready for operation. Rescuers through the slot 13 in the lower end of the root section 9 open the doors 24 of the cab 22 and placed it face to the bottom wall of the cabin, leaning his hands on level 26 of the ladder. The door closes and activates the drive of the lifting mechanism 31 cabins, which, two-stage rotating drum 32 in a clockwise direction, pulls the rope 33 to the shell of larger diameter, moving the cabin up. Cabin 22, guided by the rollers 30 on the lower surface of the sections, moves up. The centering of the cab relative to the sections provide a U-shaped guides 12 on the cab. Upon reaching the top point of lifting the cab stops and rescue the steps 26 of the ladder through a hatch facing the working space 14 and to commence the task. If you want to do is be increased the number of rescuers, the cabin is returned to its original position and delivers in the way described earlier reinforcements.
For the evacuation of casualties, wounded, physically weak people rescuers put them in the cockpit jump seat 27 of the lower tier, and then lower the hinged wall 29 and put the victims on the seat 27 of the upper tier. Cabin 22 send down, where greeters rescuers open the side door 24 and evacuate victims from the cab 22. If necessary, the cycle repeats. If there is a need for a mass evacuation of people, before sending the cab up to the hatch 25 is fixed to the cover-evacuator 42, and to the end of the bottom surface of the root section 9 attach the safety device 43 to prevent injuries during the evacuation of people. Cabin 22 is returned to the working space 14 and injured, dropping into the cab 22 and the folding steps 26 through the hole 25, enter the case-evacuator 42, in which the slide based on the bottom surface of the pipe sections, to stop at the end of the safety device 43. In the proposed design can, without interfering with each other, to work two case-wrecker. After pararosaniline works cabin 22 together with the rescuers returned to the lower position. Through the cockpit door 24 and the slots 13 in the root 9 of the sections they leave it. Then turn on mechanism 17 teleskopowe boom that rotates b is Rabanne 18 counterclockwise. The rope 21 folding sections, naratiwas on the sides of the drum 18 has a larger diameter moves the end section 11 down, which through the ropes 15, acting on the blocks 16, carries the intermediate section 10. Moving down section 10 of the hoisting ropes 19 do not interfere, as they are retracted from the shell of smaller diameter of the same drum 18. Surge drum 36 through the gear 37 rotates clockwise and winds up the slack winding rope 33, leaving the cab 24 is stationary. When folded sections together with them are the sections of the telescopic tubes 40 and protective corrugated casing 41. After folding sections actuator 5 rotates the tilt-up device 3 to the initial position, and the lift cylinder 6 omits the set of sections 8 in the transport position. Retracted outriggers 2, and the vehicle 1 is ready to transport the device to the desired point.
The use of the proposed device allows you to combine the movement of the cab with the movement of the working platform fixed on the front end of the end section, and to conduct a mass evacuation of people through a hatch in the bottom of the cab using case-wrecker that will improve the efficiency of the device while conducting pararosaniline works and evacuation during an emergency tall the buildings and structures.
Sources of information
1. EN 2079312 C1, 20.05.1997.
2. SU 1036330 And 23.08.1983.
The device for doing pararosaniline works on high-rise buildings containing vehicle with outriggers, tilt-up device mounted on it, a set of telescoping sections that are members of one another, are installed on the lifting-rotating device, the mechanism of their teleskopowe, with the front end face of the end section of the fixed working platform, and on the rails of the telescopic sections installed the cab and hoist cabins, characterized in that the lifting mechanism of the cabin is made in the form of a rope, zapakowanego through blocks mounted on the frame of the cab and the front end face of the end section, with one end of the rope attached to the drum mechanism of the cabin lift and the second is to balance the drum through a gear connected to the drum mechanism teleskopowe sections, and the bottom of the cab is equipped with an opening hatch for mounting the cover for the tow truck.
FIELD: crane shooting.
SUBSTANCE: proposed device contain boom 1 installed by means of harp 2 on truck 3 for vertical and horizontal turning, units to keep boom front and rear parts 32, 33 in alignment, suspension unit 62, pan-and-tilt head 63, camera 64, counterweight unit 54 and control panel 67 with monitor 68. Boom is made in form of articulated lever mechanism 4 with truss 5. Truss consists of two rows of paired parallel external links 6, 7 interconnected by upper rods 8, central rods 9 and lower rods 10 by means of fixing elements 11, 12, 13, 14, 15, 16 to form rigid outer frame structures. Middle links 29 are hinge-installed on rods between every three pairs of series-mounted outer links 6, 7, 19, 20, 21, 22.
EFFECT: provision of accurate and noiseless follow shooting, ease and convenience in operation, small weight, possibility of disassembling boom into separate links and changing its length.
7 cl, 3 dwg
FIELD: aviation; fire helicopters.
SUBSTANCE: proposed helicopter has fire-fighting device which is provided with additional nozzle mounted on end of extensible boom. Nozzle is connected with air supply source. Arranged inside additional nozzle is fire-hose barrel and at least one vertical fire-hose barrel directed downward and mounted inside swept rotor area.
EFFECT: enhanced efficiency due to increased length of extinguishant jet.
6 cl, 3 dwg
FIELD: fire-fighting equipment, particularly means to prevent freezing water store in tank of fire-extinguishing tanker by heat of fuel combustion.
SUBSTANCE: method involves passing-by water under pressure in accordance with "tank-pump-tank" scheme through dispersing cavitation head installed on high-pressure drain connection pipe and feeding water under water layer in tank. Head is formed as replaceable deflector plate spaced a distance of 1-3 outlet head orifice diameter perpendicular to water flow. Outlet head orifice diameter is 25 - 75 mm.
EFFECT: prevention of water freezing and elimination of still spaces in tank under low environment temperature, minimized modification of fire-extinguishing tanker units.
3 cl, 2 dwg
FIELD: rescue equipment, particularly for emergency lowering people or loads from tall objects.
SUBSTANCE: device has base with load fastening member and locking means for load lowering speed regulation secured to the base and cooperating with flexible member. The locking means is formed as rest and cam rotating around axis and having rotation lever connected thereto. Rest and cam are opposite one to another. Cam is provided with groove facing the rest. Device is also provided with limiter which prevents flexible member slipping during lowering operation and with rotary fixer having tooth installed to contact with arch-shaped groove. The groove is arranged in rotary fixer plane and bounded with rest. Angle of arch-shaped groove inclination is not less than cam stroke angle.
EFFECT: increased safety of lowering operation during device usage.
9 cl, 6 dwg